DTC P0034-00; Air Bypass Valve Control Circuit Low Input: Notes
DETECTION CONDITION AND POSSIBLE CAUSE
| DTC P0034:00 |
Air bypass valve control circuit low input |
| DETECTION CONDITION |
- The air bypass valve control voltage at the PCM terminal 1BC is low for a continuous 5 s relative to the PCM control condition. Diagnostic support note
- This is a continuous monitor (other).
- The check engine light does not illuminate.
- FREEZE FRAME DATA is not available.
- Snapshot data is available.
- DTC is stored in the PCM memory.
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| FAIL-SAFE FUNCTION |
- Stop the supercharging pressure control. (fully open the wastegate valve)
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| POSSIBLE CAUSE |
- Air bypass valve connector or terminals malfunction
- Short to ground or open circuit in air bypass valve power supply circuit:
- Short to ground in wiring harness between ENGINE1 15 A fuse and air bypass valve terminal A
- ENGINE1 15 A fuse malfunction
- Open circuit in wiring harness between main relay terminal C and air bypass valve terminal A
- PCM connector or terminals malfunction
- Short to ground in wiring harness between air bypass valve terminal B and PCM terminal 1BC
- Open circuit in wiring harness between air bypass valve terminal B and PCM terminal 1BC
- Air bypass valve malfunction
- PCM malfunction
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